Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
437	0	EP	call site: 00000	spng_decode_image

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           spng_ctx_new

[function] [call site] 00001


             spng_ctx_new2

[function] [call site] 00002


           fmemopen

[call site] 00003


           spng_set_png_file

[function] [call site] 00004


             spng_set_png_stream

[function] [call site] 00005


               spng__malloc

[function] [call site] 00006


             file_write_fn

[function] [call site] 00007


               fwrite

[call site] 00008


             spng_set_png_stream

[function] [call site] 00009


             file_read_fn

[function] [call site] 00010


               fread

[call site] 00011


               feof

[call site] 00012


           spng_set_png_stream

[function] [call site] 00013


           buffer_read_fn(spng_ctx*, void*, void*, unsigned long)

[function] [call site] 00014


           spng_set_png_buffer

[function] [call site] 00015


           spng_set_image_limits

[function] [call site] 00016


           spng_set_chunk_limits

[function] [call site] 00017


           spng_set_crc_action

[function] [call site] 00018


           spng_set_option

[function] [call site] 00019


           spng_decoded_image_size

[function] [call site] 00020


             read_chunks

[function] [call site] 00021


               read_ihdr

[function] [call site] 00022


                 read_data

[function] [call site] 00023


                 memcmp

[call site] 00024


                 read_u32

[function] [call site] 00025


                 memcmp

[call site] 00026


                 crc32

[function] [call site] 00027


                   crc32_z

[function] [call site] 00028


                     crc_word

[function] [call site] 00029


                     crc_word

[function] [call site] 00030


                     crc_word

[function] [call site] 00031


                     crc_word

[function] [call site] 00032


                     crc_word

[function] [call site] 00033


                     byte_swap

[function] [call site] 00034


                     crc_word_big

[function] [call site] 00035


                     crc_word_big

[function] [call site] 00036


                     crc_word_big

[function] [call site] 00037


                     crc_word_big

[function] [call site] 00038


                     crc_word_big

[function] [call site] 00039


                     byte_swap

[function] [call site] 00040


                 crc32

[function] [call site] 00041


                 read_u32

[function] [call site] 00042


                 read_u32

[function] [call site] 00043


                 check_ihdr

[function] [call site] 00044


                 num_channels

[function] [call site] 00045


                 calculate_subimages

[function] [call site] 00046


                   calculate_scanline_width

[function] [call site] 00047


                     num_channels

[function] [call site] 00048


               decode_err

[function] [call site] 00049


               read_non_idat_chunks

[function] [call site] 00050


                 read_header

[function] [call site] 00051


                   read_and_check_crc

[function] [call site] 00052


                     read_data

[function] [call site] 00053


                     read_u32

[function] [call site] 00054


                     is_critical_chunk

[function] [call site] 00055


                   read_data

[function] [call site] 00056


                   read_u32

[function] [call site] 00057


                   is_critical_chunk

[function] [call site] 00058


                   crc32

[function] [call site] 00059


                   crc32

[function] [call site] 00060


                 memcmp

[call site] 00061


                 discard_chunk_bytes

[function] [call site] 00062


                   read_chunk_bytes

[function] [call site] 00063


                     read_data

[function] [call site] 00064


                     crc32

[function] [call site] 00065


                   read_chunk_bytes

[function] [call site] 00066


                 is_small_chunk

[function] [call site] 00067


                   memcmp

[call site] 00068


                   memcmp

[call site] 00069


                   memcmp

[call site] 00070


                   memcmp

[call site] 00071


                   memcmp

[call site] 00072


                   memcmp

[call site] 00073


                   memcmp

[call site] 00074


                   memcmp

[call site] 00075


                   memcmp

[call site] 00076


                   memcmp

[call site] 00077


                   memcmp

[call site] 00078


                 read_chunk_bytes

[function] [call site] 00079


                 is_critical_chunk

[function] [call site] 00080


                 memcmp

[call site] 00081


                 check_plte

[function] [call site] 00082


                 memcmp

[call site] 00083


                 read_and_check_crc

[function] [call site] 00084


                 memcmp

[call site] 00085


                 memcmp

[call site] 00086


                 read_u32

[function] [call site] 00087


                 read_u32

[function] [call site] 00088


                 read_u32

[function] [call site] 00089


                 read_u32

[function] [call site] 00090


                 read_u32

[function] [call site] 00091


                 read_u32

[function] [call site] 00092


                 read_u32

[function] [call site] 00093


                 read_u32

[function] [call site] 00094


                 check_chrm_int

[function] [call site] 00095


                 memcmp

[call site] 00096


                 read_u32

[function] [call site] 00097


                 memcmp

[call site] 00098


                 check_sbit

[function] [call site] 00099


                 memcmp

[call site] 00100


                 memcmp

[call site] 00101


                 read_u16

[function] [call site] 00102


                 read_u16

[function] [call site] 00103


                 read_u16

[function] [call site] 00104


                 read_u16

[function] [call site] 00105


                 memcmp

[call site] 00106


                 read_u16

[function] [call site] 00107


                 read_u16

[function] [call site] 00108


                 read_u16

[function] [call site] 00109


                 read_u16

[function] [call site] 00110


                 memcmp

[call site] 00111


                 read_u16

[function] [call site] 00112


                 memcmp

[call site] 00113


                 read_u32

[function] [call site] 00114


                 read_u32

[function] [call site] 00115


                 check_phys

[function] [call site] 00116


                 memcmp

[call site] 00117


                 read_u16

[function] [call site] 00118


                 check_time

[function] [call site] 00119


                 memcmp

[call site] 00120


                 read_s32

[function] [call site] 00121


                   read_u32

[function] [call site] 00122


                 read_s32

[function] [call site] 00123


                 check_offs

[function] [call site] 00124


                 memcmp

[call site] 00125


                 increase_cache_usage

[function] [call site] 00126


                 spng__malloc

[function] [call site] 00127


                 read_chunk_bytes2

[function] [call site] 00128


                   crc32

[function] [call site] 00129


                 spng__free

[function] [call site] 00130


                 check_exif

[function] [call site] 00131


                   memcmp

[call site] 00132


                 spng__free

[function] [call site] 00133


                 memcmp

[call site] 00134


                 read_chunk_bytes

[function] [call site] 00135


                 memchr

[call site] 00136


                 check_png_keyword

[function] [call site] 00137


                   strlen

[call site] 00138


                   strstr

[call site] 00139


                 spng__inflate_stream

[function] [call site] 00140


                   spng__inflate_init

[function] [call site] 00141


                     inflateEnd

[function] [call site] 00142


                       inflateStateCheck

[function] [call site] 00143


                     inflateInit2_

[function] [call site] 00144


                       inflateReset2

[function] [call site] 00145


                         inflateStateCheck

[function] [call site] 00146


                         inflateReset

[function] [call site] 00147


                           inflateStateCheck

[function] [call site] 00148


                           inflateResetKeep

[function] [call site] 00149


                             inflateStateCheck

[function] [call site] 00150


                     is_critical_chunk

[function] [call site] 00151


                     inflateValidate

[function] [call site] 00152


                       inflateStateCheck

[function] [call site] 00153


                   spng__malloc

[function] [call site] 00154


                   inflate

[function] [call site] 00155


                     inflateStateCheck

[function] [call site] 00156


                     crc32

[function] [call site] 00157


                     crc32

[function] [call site] 00158


                     adler32

[function] [call site] 00159


                       adler32_z

[function] [call site] 00160


                     crc32

[function] [call site] 00161


                     crc32

[function] [call site] 00162


                     crc32

[function] [call site] 00163


                     crc32

[function] [call site] 00164


                     crc32

[function] [call site] 00165


                     crc32

[function] [call site] 00166


                     crc32

[function] [call site] 00167


                     crc32

[function] [call site] 00168


                     adler32

[function] [call site] 00169


                     fixedtables

[function] [call site] 00170


                     inflate_table

[function] [call site] 00171


                     inflate_table

[function] [call site] 00172


                     inflate_table

[function] [call site] 00173


                     inflate_fast

[function] [call site] 00174


                     crc32

[function] [call site] 00175


                     adler32

[function] [call site] 00176


                     updatewindow

[function] [call site] 00177


                     crc32

[function] [call site] 00178


                     adler32

[function] [call site] 00179


                   spng__realloc

[function] [call site] 00180


                   read_chunk_bytes

[function] [call site] 00181


                   spng__realloc

[function] [call site] 00182


                   increase_cache_usage

[function] [call site] 00183


                   spng__free

[function] [call site] 00184


                 memcmp

[call site] 00185


                 memcmp

[call site] 00186


                 memcmp

[call site] 00187


                 increase_cache_usage

[function] [call site] 00188


                 spng__realloc

[function] [call site] 00189


                 read_chunk_bytes

[function] [call site] 00190


                 memchr

[call site] 00191


                 memcmp

[call site] 00192


                 memcmp

[call site] 00193


                 memcmp

[call site] 00194


                 memchr

[call site] 00195


                 memchr

[call site] 00196


                 increase_cache_usage

[function] [call site] 00197


                 spng__calloc

[function] [call site] 00198


                 spng__inflate_stream

[function] [call site] 00199


                 increase_cache_usage

[function] [call site] 00200


                 spng__malloc

[function] [call site] 00201


                 read_chunk_bytes2

[function] [call site] 00202


                 check_png_keyword

[function] [call site] 00203


                 strlen

[call site] 00204


                 check_png_text

[function] [call site] 00205


                 memcmp

[call site] 00206


                 increase_cache_usage

[function] [call site] 00207


                 spng__realloc

[function] [call site] 00208


                 spng__malloc

[function] [call site] 00209


                 read_chunk_bytes2

[function] [call site] 00210


                 memchr

[call site] 00211


                 check_png_keyword

[function] [call site] 00212


                 strcmp

[call site] 00213


                 increase_cache_usage

[function] [call site] 00214


                 spng__malloc

[function] [call site] 00215


                 spng__free

[function] [call site] 00216


                 read_u16

[function] [call site] 00217


                 read_u16

[function] [call site] 00218


                 read_u16

[function] [call site] 00219


                 read_u16

[function] [call site] 00220


                 read_u16

[function] [call site] 00221


                 read_u16

[function] [call site] 00222


                 spng__free

[function] [call site] 00223


                 decrease_cache_usage

[function] [call site] 00224


                 increase_cache_usage

[function] [call site] 00225


                 spng__realloc

[function] [call site] 00226


                 spng__malloc

[function] [call site] 00227


                 read_chunk_bytes2

[function] [call site] 00228


                 spng__free

[function] [call site] 00229


                 discard_chunk_bytes

[function] [call site] 00230


               is_critical_chunk

[function] [call site] 00231


               discard_chunk_bytes

[function] [call site] 00232


               decode_err

[function] [call site] 00233


               decode_err

[function] [call site] 00234


               decode_err

[function] [call site] 00235


             check_decode_fmt

[function] [call site] 00236


             calculate_image_size

[function] [call site] 00237


               calculate_image_width

[function] [call site] 00238


                 calculate_scanline_width

[function] [call site] 00239


           spng_get_ihdr

[function] [call site] 00240


             read_chunks

[function] [call site] 00241


           spng_get_plte

[function] [call site] 00242


             read_chunks

[function] [call site] 00243


           spng_get_trns

[function] [call site] 00244


             read_chunks

[function] [call site] 00245


           spng_get_chrm

[function] [call site] 00246


             read_chunks

[function] [call site] 00247


           spng_get_chrm_int

[function] [call site] 00248


             read_chunks

[function] [call site] 00249


           spng_get_gama

[function] [call site] 00250


             read_chunks

[function] [call site] 00251


           spng_get_iccp

[function] [call site] 00252


             read_chunks

[function] [call site] 00253


           spng_get_sbit

[function] [call site] 00254


             read_chunks

[function] [call site] 00255


           spng_get_srgb

[function] [call site] 00256


             read_chunks

[function] [call site] 00257


           spng_get_text

[function] [call site] 00258


             read_chunks

[function] [call site] 00259


             strlen

[call site] 00260


           spng_get_text

[function] [call site] 00261


           memchr

[call site] 00262


           spng_ctx_free

[function] [call site] 00263


             spng__free

[function] [call site] 00264


             spng__free

[function] [call site] 00265


             spng__free

[function] [call site] 00266


             spng__free

[function] [call site] 00267


             spng__free

[function] [call site] 00268


             spng__free

[function] [call site] 00269


             spng__free

[function] [call site] 00270


             spng__free

[function] [call site] 00271


             spng__free

[function] [call site] 00272


             spng__free

[function] [call site] 00273


             deflateEnd

[function] [call site] 00274


               deflateStateCheck

[function] [call site] 00275


             inflateEnd

[function] [call site] 00276


             spng__free

[function] [call site] 00277


             spng__free

[function] [call site] 00278


             spng__free

[function] [call site] 00279


             spng__free

[function] [call site] 00280


             spng__free

[function] [call site] 00281


             spng__free

[function] [call site] 00282


           strlen

[call site] 00283


           spng_get_bkgd

[function] [call site] 00284


             read_chunks

[function] [call site] 00285


           spng_get_hist

[function] [call site] 00286


             read_chunks

[function] [call site] 00287


           spng_get_phys

[function] [call site] 00288


             read_chunks

[function] [call site] 00289


           spng_get_splt

[function] [call site] 00290


             read_chunks

[function] [call site] 00291


           spng_get_splt

[function] [call site] 00292


           memchr

[call site] 00293


           spng_ctx_free

[function] [call site] 00294


           spng_get_unknown_chunks

[function] [call site] 00295


             read_chunks

[function] [call site] 00296


           spng_get_unknown_chunks

[function] [call site] 00297


           spng_ctx_free

[function] [call site] 00298


           spng_decode_image

[function] [call site] 00299


             read_chunks

[function] [call site] 00300


             decode_err

[function] [call site] 00301


             check_decode_fmt

[function] [call site] 00302


             calculate_image_width

[function] [call site] 00303


             decode_err

[function] [call site] 00304


             read_idat_bytes

[function] [call site] 00305


               memcmp

[call site] 00306


               read_header

[function] [call site] 00307


               memcmp

[call site] 00308


               read_chunk_bytes

[function] [call site] 00309


             decode_err

[function] [call site] 00310


             read_u16

[function] [call site] 00311


             spng__inflate_init

[function] [call site] 00312


             decode_err

[function] [call site] 00313


             spng__malloc

[function] [call site] 00314


             spng__malloc

[function] [call site] 00315


             spng__malloc

[function] [call site] 00316


             decode_err

[function] [call site] 00317


             decode_err

[function] [call site] 00318


             spng__malloc

[function] [call site] 00319


             decode_err

[function] [call site] 00320


             decode_err

[function] [call site] 00321

pow

[call site] 00322


             decode_err

[function] [call site] 00323


             sample_to_target

[function] [call site] 00324


             sample_to_target

[function] [call site] 00325


             sample_to_target

[function] [call site] 00326


             sample_to_target

[function] [call site] 00327


             decode_err

[function] [call site] 00328


             read_scanline_bytes

[function] [call site] 00329


               inflate

[function] [call site] 00330


               read_idat_bytes

[function] [call site] 00331


             decode_err

[function] [call site] 00332


             decode_err

[function] [call site] 00333


             spng_decode_row

[function] [call site] 00334


               spng_decode_scanline

[function] [call site] 00335


                 spng__iter_init

[function] [call site] 00336


                 read_scanline

[function] [call site] 00337


                   read_scanline_bytes

[function] [call site] 00338


                   read_scanline_bytes

[function] [call site] 00339


                   u16_row_to_host

[function] [call site] 00340


                     read_u16

[function] [call site] 00341


                   defilter_scanline

[function] [call site] 00342


                     defilter_sub4

[function] [call site] 00343


                       load4

[function] [call site] 00344


                       store4

[function] [call site] 00345


                     defilter_avg4

[function] [call site] 00346


                       load4

[function] [call site] 00347


                       load4

[function] [call site] 00348


                       store4

[function] [call site] 00349


                     defilter_paeth4

[function] [call site] 00350


                       load4

[function] [call site] 00351


                       load4

[function] [call site] 00352


                       abs_i16

[function] [call site] 00353


                       abs_i16

[function] [call site] 00354


                       abs_i16

[function] [call site] 00355


                       if_then_else

[function] [call site] 00356


                       if_then_else

[function] [call site] 00357


                       store4

[function] [call site] 00358


                     defilter_sub3

[function] [call site] 00359


                       load4

[function] [call site] 00360


                       store3

[function] [call site] 00361


                       load3

[function] [call site] 00362


                       store3

[function] [call site] 00363


                     defilter_avg3

[function] [call site] 00364


                       load4

[function] [call site] 00365


                       load4

[function] [call site] 00366


                       store3

[function] [call site] 00367


                       load3

[function] [call site] 00368


                       load3

[function] [call site] 00369


                       store3

[function] [call site] 00370


                     defilter_paeth3

[function] [call site] 00371


                       load4

[function] [call site] 00372


                       load4

[function] [call site] 00373


                       abs_i16

[function] [call site] 00374


                       abs_i16

[function] [call site] 00375


                       abs_i16

[function] [call site] 00376


                       if_then_else

[function] [call site] 00377


                       if_then_else

[function] [call site] 00378


                       store3

[function] [call site] 00379


                       load3

[function] [call site] 00380


                       load3

[function] [call site] 00381


                       abs_i16

[function] [call site] 00382


                       abs_i16

[function] [call site] 00383


                       abs_i16

[function] [call site] 00384


                       if_then_else

[function] [call site] 00385


                       if_then_else

[function] [call site] 00386


                       store3

[function] [call site] 00387


                     defilter_up

[function] [call site] 00388


                     paeth

[function] [call site] 00389


                 decode_err

[function] [call site] 00390


                 unpack_scanline

[function] [call site] 00391


                   spng__iter_init

[function] [call site] 00392


                   get_sample

[function] [call site] 00393


                   get_sample

[function] [call site] 00394


                   get_sample

[function] [call site] 00395


                 rgb8_row_to_rgba8

[function] [call site] 00396


                 expand_row

[function] [call site] 00397


                 get_sample

[function] [call site] 00398


                 get_sample

[function] [call site] 00399


                 trns_row

[function] [call site] 00400


                   memcmp

[call site] 00401


                   memcmp

[call site] 00402


                   memcmp

[call site] 00403


                   spng__iter_init

[function] [call site] 00404


                   get_sample

[function] [call site] 00405


                   memcmp

[call site] 00406


                   spng__iter_init

[function] [call site] 00407


                   get_sample

[function] [call site] 00408


                 scale_row

[function] [call site] 00409


                   sample_to_target

[function] [call site] 00410


                   sample_to_target

[function] [call site] 00411


                   sample_to_target

[function] [call site] 00412


                   sample_to_target

[function] [call site] 00413


                   sample_to_target

[function] [call site] 00414


                   sample_to_target

[function] [call site] 00415


                   sample_to_target

[function] [call site] 00416


                   sample_to_target

[function] [call site] 00417


                   sample_to_target

[function] [call site] 00418


                   sample_to_target

[function] [call site] 00419


                   sample_to_target

[function] [call site] 00420


                   sample_to_target

[function] [call site] 00421


                   sample_to_target

[function] [call site] 00422


                 gamma_correct_row

[function] [call site] 00423


                 update_row_info

[function] [call site] 00424


                 discard_chunk_bytes

[function] [call site] 00425


                 decode_err

[function] [call site] 00426


               spng_decode_scanline

[function] [call site] 00427


               spng__iter_init

[function] [call site] 00428


               get_sample

[function] [call site] 00429


             decode_err

[function] [call site] 00430


           spng_get_row_info

[function] [call site] 00431


           spng_decode_row

[function] [call site] 00432


           spng_decode_image

[function] [call site] 00433


           spng_get_time

[function] [call site] 00434


             read_chunks

[function] [call site] 00435


           spng_ctx_free

[function] [call site] 00436


           fclose

[call site] 00437